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<h1>src/qvblockprogramming/qvguiblocks/qvdesigner/slate/node.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> *      Copyright (C) 2008, 2009, 2010, 2011, 2012. PARP Research Group.</span>
<a name="l00003"></a>00003 <span class="comment"> *      &lt;http://perception.inf.um.es&gt;</span>
<a name="l00004"></a>00004 <span class="comment"> *      University of Murcia, Spain.</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> *      This file is part of the QVision library.</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> *      QVision is free software: you can redistribute it and/or modify</span>
<a name="l00009"></a>00009 <span class="comment"> *      it under the terms of the GNU Lesser General Public License as</span>
<a name="l00010"></a>00010 <span class="comment"> *      published by the Free Software Foundation, version 3 of the License.</span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> *      QVision is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> *      but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00015"></a>00015 <span class="comment"> *      GNU Lesser General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> *      You should have received a copy of the GNU Lesser General Public</span>
<a name="l00018"></a>00018 <span class="comment"> *      License along with QVision. If not, see &lt;http://www.gnu.org/licenses/&gt;.</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020 
<a name="l00021"></a>00021 
<a name="l00022"></a>00022 <span class="preprocessor">#ifndef NODE_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define NODE_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;QApplication&gt;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &lt;QColor&gt;</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include &lt;QGraphicsItem&gt;</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include &lt;QSet&gt;</span>
<a name="l00029"></a>00029 
<a name="l00030"></a>00030 <span class="preprocessor">#include &quot;link.h&quot;</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include &quot;slatewindow.h&quot;</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include &quot;../facade/itemproperties.h&quot;</span>
<a name="l00033"></a>00033 
<a name="l00034"></a>00034 <span class="keyword">class </span>ItemProperties;
<a name="l00035"></a>00035 
<a name="l00036"></a>00036 <span class="preprocessor">#ifndef DOXYGEN_IGNORE_THIS</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span>
<a name="l00038"></a>00038 <span class="keyword">class </span>Node : <span class="keyword">public</span> QGraphicsItem
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040         <span class="keyword">friend</span> <span class="keyword">class </span>GroupNode;
<a name="l00041"></a>00041     Q_DECLARE_TR_FUNCTIONS(Node)
<a name="l00042"></a>00042 
<a name="l00043"></a>00043 public:
<a name="l00044"></a>00044     Node(QString _name, SlateWindow *wind, QGraphicsItem * parent = 0, QGraphicsScene * scene = 0);
<a name="l00045"></a>00045     Node(ItemProperties item, QString _name, uint _id, SlateWindow *wind, QGraphicsItem * parent = 0, QGraphicsScene * scene = 0);
<a name="l00046"></a>00046     ~Node();
<a name="l00047"></a>00047 
<a name="l00048"></a>00048     <span class="keywordtype">void</span> setText(const QString &amp;text);
<a name="l00049"></a>00049     QString text() const;
<a name="l00050"></a>00050     <span class="keywordtype">void</span> setTextColor(const QColor &amp;color);
<a name="l00051"></a>00051     QColor textColor() const;
<a name="l00052"></a>00052     <span class="keywordtype">void</span> setOutlineColor(const QColor &amp;color);
<a name="l00053"></a>00053     QColor outlineColor() const;
<a name="l00054"></a>00054     <span class="keywordtype">void</span> setBackgroundColor(const QColor &amp;color);
<a name="l00055"></a>00055     QColor backgroundColor() const;
<a name="l00056"></a>00056 
<a name="l00057"></a>00057     <span class="keywordtype">void</span> addInLink(Link *link);
<a name="l00058"></a>00058     <span class="keywordtype">void</span> addOutLink(Link *link);
<a name="l00059"></a>00059     virtual <span class="keywordtype">void</span> removeLink(Link *link);
<a name="l00060"></a>00060         QList&lt;Link *&gt; getLinks() const;
<a name="l00061"></a>00061         QList&lt;Link *&gt; getInLinks() const;
<a name="l00062"></a>00062         QList&lt;Link *&gt; getOutLinks() const;
<a name="l00063"></a>00063         <span class="keywordtype">int</span> precursors(QList&lt;Node *&gt; tail = QList&lt;Node *&gt;());
<a name="l00064"></a>00064 
<a name="l00065"></a>00065         QString getName()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> name; }
<a name="l00066"></a>00066         QString getType()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> type; }
<a name="l00067"></a>00067         <span class="keywordtype">void</span> setType(QString _type) { type = _type; }
<a name="l00068"></a>00068     QRectF boundingRect() <span class="keyword">const</span>;
<a name="l00069"></a>00069     QPainterPath shape() <span class="keyword">const</span>;
<a name="l00070"></a>00070 
<a name="l00071"></a>00071         <span class="keyword">virtual</span> <span class="keywordtype">void</span> paint(QPainter *painter, <span class="keyword">const</span> QStyleOptionGraphicsItem *option, QWidget *widget);
<a name="l00072"></a>00072         <span class="keyword">virtual</span> QPointF scenePointPos(<span class="keywordtype">int</span> point) <span class="keyword">const</span>;
<a name="l00073"></a>00073         <span class="keyword">virtual</span> QPointF scenePointPos(QString name, <span class="keywordtype">bool</span> in) <span class="keyword">const</span>;
<a name="l00074"></a>00074         <span class="keyword">virtual</span> <span class="keywordtype">void</span> updateLinksPos();
<a name="l00075"></a>00075         <span class="keyword">virtual</span> <span class="keywordtype">void</span> setHide(<span class="keywordtype">bool</span> hide);
<a name="l00076"></a>00076         <span class="keywordtype">int</span> numProps() <span class="keyword">const</span>;
<a name="l00077"></a>00077         QString propName(<span class="keywordtype">int</span> point) <span class="keyword">const</span>; <span class="comment">// devuelve el nombre de la propiedad señalada por point</span>
<a name="l00078"></a>00078         <span class="keywordtype">int</span> propPoint(QString name, <span class="keywordtype">bool</span> in) <span class="keyword">const</span>; <span class="comment">// devuelve el punto (de entrada o salida) de una propiedad.</span>
<a name="l00079"></a>00079         <span class="keywordtype">int</span> propType(<span class="keywordtype">int</span> point) <span class="keyword">const</span>; <span class="comment">// devuelve el tipo de la propiedad señalada por point</span>
<a name="l00080"></a>00080         <span class="keywordtype">void</span> insertProperty(<span class="keywordtype">int</span> pos, QString name, <span class="keywordtype">int</span> type, <span class="keywordtype">bool</span> input, <span class="keywordtype">bool</span> output);
<a name="l00081"></a>00081         <span class="keywordtype">int</span> insertProperty(QString name, <span class="keywordtype">int</span> type, <span class="keywordtype">bool</span> input, <span class="keywordtype">bool</span> output);
<a name="l00082"></a>00082         <span class="keywordtype">void</span> removeProperty(QString name);
<a name="l00083"></a>00083         uint getId();
<a name="l00084"></a>00084         <span class="keywordtype">void</span> setName(QString _name);
<a name="l00085"></a>00085         <span class="keywordtype">void</span> prepareHierarchy(); <span class="comment">// actualiza a toda la gerarquía de grupos que tiene por encima</span>
<a name="l00086"></a>00086         <span class="keywordtype">void</span> updateHierarchy(); <span class="comment">// actualiza a toda la gerarquía de grupos que tiene por encima</span>
<a name="l00087"></a>00087         <span class="keywordtype">void</span> publicPrepareGeometryChange();
<a name="l00088"></a>00088 
<a name="l00089"></a>00089 
<a name="l00090"></a>00090 <span class="keyword">protected</span>:
<a name="l00091"></a>00091         <span class="keyword">virtual</span> <span class="keywordtype">void</span> mouseDoubleClickEvent(QGraphicsSceneMouseEvent * event);
<a name="l00092"></a>00092         <span class="keywordtype">void</span> mousePressEvent(QGraphicsSceneMouseEvent * event);
<a name="l00093"></a>00093         <span class="keywordtype">void</span> mouseMoveEvent(QGraphicsSceneMouseEvent * event);
<a name="l00094"></a>00094         <span class="keywordtype">void</span> mouseReleaseEvent(QGraphicsSceneMouseEvent * event);
<a name="l00095"></a>00095     QVariant itemChange(GraphicsItemChange change, <span class="keyword">const</span> QVariant &amp;value);
<a name="l00096"></a>00096         <span class="keywordtype">void</span> CorrectTextChange();
<a name="l00097"></a>00097 
<a name="l00098"></a>00098         <span class="keywordtype">void</span> markPoint(<span class="keywordtype">int</span> point, <span class="keywordtype">bool</span> validity);
<a name="l00099"></a>00099         <span class="keywordtype">void</span> unmarkPoint();
<a name="l00100"></a>00100         <span class="keywordtype">bool</span> isValidLink(Node *fromNode, <span class="keywordtype">int</span> fromPoint, Node *toNode, <span class="keywordtype">int</span> toPoint) <span class="keyword">const</span>;
<a name="l00101"></a>00101         <span class="keywordtype">void</span> deleteProperty(<span class="keywordtype">int</span> pos);
<a name="l00102"></a>00102         <span class="keywordtype">void</span> delLastProp();
<a name="l00103"></a>00103 
<a name="l00104"></a>00104         <span class="keyword">virtual</span> QRectF outlineRect() <span class="keyword">const</span>;
<a name="l00105"></a>00105         <span class="keyword">virtual</span> <span class="keywordtype">int</span> roundness(<span class="keywordtype">double</span> size) <span class="keyword">const</span>;
<a name="l00106"></a>00106         <span class="keyword">virtual</span> <span class="keywordtype">int</span> pointAt(QPointF pos) <span class="keyword">const</span>;
<a name="l00107"></a>00107         <span class="keyword">virtual</span> <span class="keywordtype">int</span> insertPos() <span class="keyword">const</span>; <span class="comment">// posición en que se quieren insertar las nuevas propiedades, para que sea la última menos el los de los &quot;...&quot;</span>
<a name="l00108"></a>00108         <span class="keyword">virtual</span> <span class="keywordtype">void</span> validLinkRelease(Node *fromNode, <span class="keywordtype">int</span> fromPoint, Node *toNode, <span class="keywordtype">int</span> toPoint); <span class="comment">// función que trata un nuevo enlace y llama a la slate para crearlo</span>
<a name="l00109"></a>00109         ItemProperties getItemProp() { <span class="keywordflow">return</span> itemProp; }
<a name="l00110"></a>00110 
<a name="l00111"></a>00111     QList&lt;Link *&gt; myInLinks;
<a name="l00112"></a>00112         QList&lt;Link *&gt; myOutLinks;
<a name="l00113"></a>00113 
<a name="l00114"></a>00114     QString myText;
<a name="l00115"></a>00115     QColor myTextColor;
<a name="l00116"></a>00116     QColor myBackgroundColor;
<a name="l00117"></a>00117     QColor myOutlineColor;
<a name="l00118"></a>00118 
<a name="l00119"></a>00119         QString name;
<a name="l00120"></a>00120         QString type;
<a name="l00121"></a>00121 
<a name="l00122"></a>00122         ItemProperties itemProp; <span class="comment">// propiedades del block asociado</span>
<a name="l00123"></a>00123         <span class="keywordtype">int</span> numProp; <span class="comment">// número de propiedades del block asociado</span>
<a name="l00124"></a>00124         SlateWindow *window; <span class="comment">// ventana con que se ha creado, para lanzarle las peticiones de creación de links</span>
<a name="l00125"></a>00125         QRectF outlinerect;
<a name="l00126"></a>00126 
<a name="l00127"></a>00127         <span class="keywordtype">int</span> clickedPoint; <span class="comment">// indica si el último click se ha hecho sobre una de los puntos, y sobre cual</span>
<a name="l00128"></a>00128         QGraphicsLineItem *line; <span class="comment">// linea indicadora del proceso de enlace</span>
<a name="l00129"></a>00129         <span class="keywordtype">int</span> externalMarkedPoint; <span class="comment">// punto de otro item sobre el que se está intentando realizar un enlace</span>
<a name="l00130"></a>00130         Node *externalMarkedItem; <span class="comment">// item sobre el que se esa intentando realizar el enlace</span>
<a name="l00131"></a>00131         <span class="keywordtype">int</span> markedPoint; <span class="comment">// punto local que se ha seleccionado para colorear por que se está intentando hacer un link sobre el</span>
<a name="l00132"></a>00132         <span class="keywordtype">bool</span> markedValidity; <span class="comment">// indica si el markedPoint es un objetivo correcto, lo que determinará el color usado</span>
<a name="l00133"></a>00133 
<a name="l00134"></a>00134         uint id;
<a name="l00135"></a>00135 
<a name="l00136"></a>00136         <span class="keywordtype">double</span> lineSpacing;
<a name="l00137"></a>00137 };
<a name="l00138"></a>00138 
<a name="l00139"></a>00139 <span class="preprocessor">#endif</span>
<a name="l00140"></a>00140 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
</pre></div></div>
</td></tr></table>

<br /><hr><br />
<center><a href="http://perception.inf.um.es/QVision">QVision framework</a>.
<a href="http://perception.inf.um.es">PARP research group</a>.
Copyright &copy; 2007, 2008, 2009, 2010, 2011.</center>
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